<template>
    <div class="cmt-containers">

        <h3>发表评论</h3>

        <hr>

        <textarea placeholder="请输入内容" maxlength="120"></textarea>

        <mt-button type="primary" size="large">发表评论</mt-button>

        <div class="cmt-list">
            <div class="cmt-item" v-for="(item, i) in comments" :key="item.add_time">
                <div class="cmt-title">
                    第{{ i+1 }}楼&nbsp;&nbsp;用户：{{ item.user_name }}&nbsp;&nbsp;发表时间：{{ item.add_time | dateFormat }}
                </div>
                <div class="cmt-body">
                    {{ item.content === 'undefined' ? '此用户无评论': item.content }}
                </div>
            </div>
        </div>

        <mt-button type="danger" size="large" plain @click="getMore">加载更多</mt-button>

    </div>
</template>

<script>

import { Toast } from 'mint-ui'

export default {
    data(){
        return {
            pageIndex: 1,             //默认展示第一页数据
            comments: []
        }
    },
    created(){
        this.getComments();
    },
    methods:{
        getComments(){                //获取评论
            this.$http.get("api/getcomments/"+this.id+"?pageindex=" + this.pageIndex).then(result => {
                if(result.body.status === 0){
                    // this.comments = result.body.message;
                    //每当获取评论数据时，不要清空老数据，而是老数据拼接新素具
                    this.comments = this.comments.concat( result.body.message );
                }else{
                    Toast('获取数据失败！');
                }
            });
        },
        getMore(){               //加载更多
            this.pageIndex ++ ;
            this.getComments();
        }
    },
    props: ["id"]
}
</script>

<style lang="scss" scoped>
    .cmt-containers{
        h3{
            font-size: 18px;
        }
        textarea{
            font-size: 14px;
            height: 85px;
            margin: 0;
        }
        .cmt-list{
            margin: 10px 0;
            .cmt-item{
                font-size: 13px;
                .cmt-title{
                    line-height: 30px;
                    background: #ccc;
                }
                .cmt-body{
                    line-height: 35px;
                    text-indent: 2em;
                }
            }
        }
    }
</style>



